What is the purpose of a 3.42 gear ratio?

A 3.42 gear ratio is often chosen to improve acceleration and towing capability compared to higher (numerically lower) ratios, especially after installing larger tires or increasing engine power. It helps bring the engine back into its optimal power band.

What is included with this Yukon Gear & Axle ring and pinion set?

This product includes the high-performance ring gear and pinion gear set. Installation hardware, such as bearings and seals, are typically sold separately and are required for installation.

What kind of warranty does Yukon Gear & Axle offer on this gear set?

Yukon Gear & Axle provides a 1-year warranty against manufacturing defects on this ring and pinion set. They also offer an optional Y.E.S. Plan for lifetime protection.

Yukon Gear & Axle Ring & Pinion Set 3.42 Ratio YG GM8.5-342

Name: Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 3.42 Ratio
Brand: Yukon Gear & Axle
Price: 416.89 USD
Availability: InStock

Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 3.42 Ratio

$416.89

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Yukon Gear & Axle high performance ring and pinion gear set for GM 8.5in & 8.6in differentials. Features 3.42 ratio.

Key Features

Fits GM 8.5 inch and 8.6 inch differentials.
Features a 3.42 gear ratio.
Ring gear diameter is 8.50 inches.
Designed with 10 ring gear bolts.
Pinion has 30 splines.
Constructed from high-grade steel for durability.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

This Yukon Gear & Axle high performance ring and pinion gear set is designed for GM 8.5-inch and 8.6-inch differentials, featuring a 3.42 ratio. It's built to handle increased horsepower and larger tires, offering a solid option for optimizing your vehicle's traction performance. This set is made from high-grade steel and designed to fit OEM specifications, ensuring a reliable upgrade for a wide range of GM trucks and SUVs, including models like the Chevrolet Avalanche and Cadillac Escalade.

Yukon engineers focus on quality, using advanced heat-treating techniques and rigorous testing to ensure the gear tooth surface finish reduces friction and heat. This design is beneficial for high torque conditions and extended use. The gear set is constructed from high-grade steel, providing a well-built component that meets exacting standards for durability and performance.

Yukon Gear & Axle backs this ring and pinion set with a 1-year warranty against manufacturing defects. They also offer an optional Y.E.S. Plan for lifetime protection. This gear set is a popular choice for those looking to re-gear their drivetrain for improved performance.